1051220330 has 64 divisors (see below), whose sum is σ = 2062195200. Its totient is φ = 384297984.

The previous prime is 1051220329. The next prime is 1051220341. The reversal of 1051220330 is 330221501.

It is a super-2 number, since 2×1051220330² = 2210128364410617800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 1051220299 and 1051220308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1190069 + ... + 1190951.

It is an arithmetic number, because the mean of its divisors is an integer number (32221800).

Almost surely, 2^1051220330 is an apocalyptic number.

1051220330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1051220330 is a deficient number, since it is larger than the sum of its proper divisors (1010974870).

1051220330 is a wasteful number, since it uses less digits than its factorization.

1051220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1051220330 is about 32422.5281247468. The cubic root of 1051220330 is about 1016.7899627707.

Adding to 1051220330 its reverse (330221501), we get a palindrome (1381441831).

The spelling of 1051220330 in words is "one billion, fifty-one million, two hundred twenty thousand, three hundred thirty".